Home / 3,451.29-5,177.55-1,261.46

Finding the Fourth Proportional to 3,451.29, 5,177.55 and 1,261.46

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Solution

The fourth proportional to 3,451.29, 5,177.55 and 1,261.46 is: 1,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.29 : 5,177.55 = 1,261.46 : x
  2. Step 2: Convert to fraction form
    3,451.29/5,177.55 = 1,261.46/x
  3. Step 3: Cross multiply
    3,451.29x = 5,177.55 × 1,261.46
  4. Step 4: Simplify right side
    3,451.29x = 6,531,272.22
  5. Step 5: Solve for x
    x = 6,531,272.22/3,451.29
  6. Step 6: Final answer
    x = 1,892.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.